单选题：Theauthorbelievesthataviciouscirclecanturnintoavirtuouscircl

  • 题目分类：英语四级
  • 题目类型：单选题
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题目内容：
Theauthorbelievesthataviciouscirclecanturnintoavirtuouscirclewhen________. A．womencaremoreabouteducation
B．girlscangainequalaccesstoeducation
C．afamilyhasfewerbuthealthierchildren
D．parentscanaffordtheirdaughters’education
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答案解析：

肺的静态顺应性越大，表示（　　）

肺的静态顺应性越大，表示（　　）A．肺的弹性阻力大，肺扩张程度小 B．肺的弹性阻力小，肺扩张程度小 C．肺的非弹性阻力大，肺扩张程度大 D．肺的弹性阻力小，肺扩

分类：英语四级  题型：单选题
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Mr. Smith was the only witness who said that the fire was __

Mr. Smith was the only witness who said that the fire was ________. A．mature B．d

分类：英语四级  题型：单选题
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________ the danger from enemy action, people had to cope wi

________ the danger from enemy action, people had to cope with a severe shortage

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作为理想的饮用水水源首选应是（　　）

作为理想的饮用水水源首选应是（　　）A．降水 B．水库水 C．江河水 D．深层地下水 E．浅层地下水

分类：英语四级  题型：单选题
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The _______of airplane engines announced a coming air raid.

The _______of airplane engines announced a coming air raid.A．roar B．exclamation

分类：英语四级  题型：单选题
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